Last seen in:
- The Times - Concise - Sunday Times Concise No 1887
- The Times - Concise - Sunday Times Concise No 1887
- The Times - Concise - Sunday Times Concise No 1723
- The Times - Concise - Sunday Times Concise No 1700
- Wall Street Journal - May 23 2020 - Where Am I?
- The Times - Concise - Sunday Times Concise No 1664
- The Times - Concise - Sunday Times Concise No 1628
- Wall Street Journal - Nov 9 2017 - Merging Traffic
- The Chronicle of Higher Education - Nov 6 2015
- USA Today - Apr 8 2015